/*
    Gtalk is a videoconference application on the Android Platform.

    Copyright (C) 2009 by Frederic-Charles Barthelery,
                          Jean-Manuel Da Silva,
                          Nikita Kozlov,
                          Philippe Lago,
                          Jean Baptiste Vergely,
                          Vincent Veronis.

    This file is part of Gtalk.

    Gtalk is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    Gtalk is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with Gtalk.  If not, see <http://www.gnu.org/licenses/>.

    Please send bug reports with examples or suggestions to
    contact@Gtalk-project.com or http://dev.Gtalk-project.com/

    Epitech, hereby disclaims all copyright interest in the program "Gtalk"
    written by Frederic-Charles Barthelery,
               Jean-Manuel Da Silva,
               Nikita Kozlov,
               Philippe Lago,
               Jean Baptiste Vergely,
               Vincent Veronis.

    Nicolas Sadirac, November 26, 2009
    President of Epitech.

    Flavien Astraud, November 26, 2009
    Head of the EIP Laboratory.

 */

package org.lansir.af.gtalk.smack.caps;

import org.jivesoftware.smack.packet.PacketExtension;

/**
 * This extension represents a capability of XEP-0115.
 * 
 */
public class CapsExtension implements PacketExtension {

	private String mVer;
	private String mHash;
	private String mNode;
	private String mExt;

	/**
	 * Create a CapsExtension.
	 * 
	 * @param hash
	 *            The value of the hash attribute.
	 * @param node
	 *            the value of the node attribute
	 * @param ver
	 *            the value of the ver attribute.
	 */
	public CapsExtension(final String hash, final String node, final String ver) {
		mHash = hash;
		mNode = node;
		mVer = ver;
	}

	/**
	 * Get the ver attribute value.
	 * 
	 * @return the value of the ver attribute.
	 */
	public String getVer() {
		return mVer;
	}

	/**
	 * Get the hash attribute value.
	 * 
	 * @return the value of the hash attribute.
	 */
	public String getHash() {
		return mHash;
	}

	/**
	 * Get the node attribute value.
	 * 
	 * @return the value of the node attribute.
	 */
	public String getNode() {
		return mNode;
	}

	/**
	 * Get the ext attribute value.
	 * 
	 * @return the value of the ext attribute.
	 */
	public String getExt() {
		return mExt;
	}

	/**
	 * Set the hash attribute.
	 * 
	 * @param hash
	 *            the value of hash
	 */
	public void setHash(String hash) {
		mHash = hash;
	}

	/**
	 * Set the ver attribute.
	 * 
	 * @param ver
	 *            the value of ver
	 */
	public void setVer(String ver) {
		mVer = ver;
	}

	/**
	 * Set the node attribute.
	 * 
	 * @param node
	 *            the value of node
	 */
	public void setNode(String node) {
		mNode = node;
	}

	/**
	 * Set the ext attribute.
	 * 
	 * @param ext
	 *            the value of ext
	 */
	public void setExt(String ext) {
		mExt = ext;
	}

	@Override
	public String getElementName() {
		return "c";
	}

	@Override
	public String getNamespace() {
		return "http://jabber.org/protocol/caps";
	}

	@Override
	public String toXML() {
		StringBuilder b = new StringBuilder("<");
		b.append(getElementName());
		b.append(" xmlns=\"").append(getNamespace()).append("\" ");
		if (mHash != null) {
			b.append("hash=\"").append(mHash).append("\" ");
		}
		if (mNode != null)
			b.append("node=\"").append(mNode).append("\" ");
		if (mVer != null)
			b.append("ver=\"").append(mVer).append("\" ");
		if (mExt != null)
			b.append("ext=\"").append(mExt).append("\" ");
		b.append("/>");
		return b.toString();
	}

}
